240234492739 has 8 divisors (see below), whose sum is σ = 240826274480. Its totient is φ = 239643000576.

The previous prime is 240234492731. The next prime is 240234492791. The reversal of 240234492739 is 937294432042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240234492739 - 2³ = 240234492731 is a prime.

It is a super-2 number, since 2×240234492739² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240234492692 and 240234492701.

It is not an unprimeable number, because it can be changed into a prime (240234492731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638427 + ... + 1779019.

It is an arithmetic number, because the mean of its divisors is an integer number (30103284310).

Almost surely, 2^240234492739 is an apocalyptic number.

240234492739 is a deficient number, since it is larger than the sum of its proper divisors (591781741).

240234492739 is a wasteful number, since it uses less digits than its factorization.

240234492739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144789.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 240234492739 in words is "two hundred forty billion, two hundred thirty-four million, four hundred ninety-two thousand, seven hundred thirty-nine".